Function luaL_setn

Source/Misc/lua/src/lua.c:10514–10530

LUALIB_API void luaL_setn (lua_State *L, int t, int n) {
t = abs_index(L, t);
lua_pushliteral(L, "n");
lua_rawget(L, t);
if (checkint(L, 1) >= 0) {  /* is there a numeric field `n'? */
lua_pushliteral(L, "n");  /* use it */
lua_pushinteger(L, n);
lua_rawset(L, t);
}
else {  /* use `sizes' */
getsizes(L);
lua_pushvalue(L, t);
lua_pushinteger(L, n);
lua_rawset(L, -3);  /* sizes[t] = n */
lua_pop(L, 1);  /* remove `sizes' */
}
}


LUALIB_API int luaL_getn (lua_State *L, int t) {